Added git hooks

.gitignore

@@ -1 +1,3 @@
 .direnv
+.pre-commit-config.yaml
+

flake.lock

@@ -145,6 +145,22 @@
       }
     },
     "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_2": {
       "locked": {
         "lastModified": 1733328505,
         "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
@@ -158,7 +174,7 @@
         "url": "https://flakehub.com/f/edolstra/flake-compat/1.tar.gz"
       }
     },
-    "flake-compat_2": {
+    "flake-compat_3": {
       "locked": {
         "lastModified": 1733328505,
         "narHash": "sha256-NeCCThCEP3eCl2l/+27kNNK7QrwZB1IJCrXfrbv5oqU=",
@@ -328,7 +344,7 @@
           "stylix",
           "flake-compat"
         ],
-        "gitignore": "gitignore",
+        "gitignore": "gitignore_2",
         "nixpkgs": [
           "stylix",
           "nixpkgs"
@@ -348,7 +364,50 @@
         "type": "github"
       }
     },
+    "git-hooks-nix": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1747372754,
+        "narHash": "sha256-2Y53NGIX2vxfie1rOW0Qb86vjRZ7ngizoo+bnXU9D9k=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "80479b6ec16fefd9c1db3ea13aeb038c60530f46",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
     "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks-nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "gitignore_2": {
       "inputs": {
         "nixpkgs": [
           "stylix",
@@ -549,7 +608,7 @@
     },
     "nixcord": {
       "inputs": {
-        "flake-compat": "flake-compat",
+        "flake-compat": "flake-compat_2",
         "nixpkgs": "nixpkgs_3",
         "systems": "systems_3",
         "treefmt-nix": "treefmt-nix"
@@ -776,6 +835,7 @@
         "agenix": "agenix",
         "dcbot": "dcbot",
         "flake-parts": "flake-parts",
+        "git-hooks-nix": "git-hooks-nix",
         "guiders": "guiders",
         "hm": "hm",
         "nixcord": "nixcord",
@@ -835,7 +895,7 @@
         "base16-helix": "base16-helix",
         "base16-vim": "base16-vim",
         "firefox-gnome-theme": "firefox-gnome-theme",
-        "flake-compat": "flake-compat_2",
+        "flake-compat": "flake-compat_3",
         "flake-utils": "flake-utils_4",
         "git-hooks": "git-hooks",
         "gnome-shell": "gnome-shell",

flake.nix

@@ -5,6 +5,7 @@
     inputs.flake-parts.lib.mkFlake {inherit inputs;} {
       systems = ["x86_64-linux"];
       imports = [
+        inputs.git-hooks-nix.flakeModule
         ./hosts
       ];
 
@@ -13,6 +14,13 @@
         pkgs,
         ...
       }: {
+        pre-commit.settings.hooks = {
+          alejandra.enable = true;
+          flake-checker.enable = true;
+          nil.enable = true;
+        };
+
+        formatter = pkgs.alejandra;
         devShells.default = pkgs.mkShell {
           packages = [
             pkgs.alejandra
@@ -20,9 +28,11 @@
           ];
           name = "dots";
           DIRENV_LOG_FORMAT = "";
-        };
 
-        formatter = pkgs.alejandra;
+          shellHook = ''
+            ${config.pre-commit.installationScript}
+          '';
+        };
       };
     };
 
@@ -31,6 +41,10 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; # build error unrelated to config.
     nixpkgs-stable.url = "github:nixos/nixpkgs/nixos-24.11-small"; # build error unrelated to config.
     flake-parts.url = "github:hercules-ci/flake-parts";
+    git-hooks-nix = {
+      url = "github:cachix/git-hooks.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
 
     hm = {
       url = "github:nix-community/home-manager/master";